/*
 * OREKIT-X
 * Copyright 2002-2008 CS Communication & Systemes
 * 
 * Parts of this software package have been licensed to CS
 * Communication & Systemes (CS) under one or more contributor license
 * agreements.  See the NOTICE file distributed with this work for
 * additional information.
 *  
 * This is an experimental copy of OREKIT from www.orekit.org.
 * Please use the original OREKIT from orekit.org for normal work
 * unrelated to this research project.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you
 * may not use this file except in compliance with the License.  You
 * may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied.  See the License for the specific language governing
 * permissions and limitations under the License.
 */
package ore.propagation.sampling;

import ore.errors.PropagationException;

/** 
 * Space dynamics step handler interface.
 *
 * This class is like the <code>StepHandler</code> interface in
 * Commons Math, but uses the space dynamics component hierarchy.
 * 
 * @author Luc Maisonobe
 */
public interface OrekitStepHandler 
    extends java.io.Serializable
{
    /** 
     * Handle the current step.
     * 
     * @param interpolator Interpolator set up for the current step
     * @param isLast If true, this is the last integration step
     * 
     * @exception PropagationException Step cannot be handled
     */
    public void handleStep(OrekitStepInterpolator interpolator, boolean isLast)
        throws PropagationException;
    /** 
     * Determines whether this handler needs dense output.
     * @return True if the handler needs dense output
     */
    public boolean requiresDenseOutput();
    /** 
     * Reset the step handler.
     */
    public void reset();
}
